Quiz on Refraction of Light

What is the rectilinear propagation of light?

• Light being absorbed by a medium

• Light traveling in a straight line

• Light traveling in a curved path

• Light being reflected by a surface

What is the phenomenon called when light bends as it passes from one medium to another?

• Reflection

• Diffraction

• Dispersion

• Refraction

What happens to the speed of light when it enters a denser medium?

• It increases

• It decreases

• It remains the same

• It becomes zero

Which of the following is an example of refraction?

• A mirror reflecting light

• A shadow forming on the ground

• A rainbow forming in the sky

• A pencil appearing bent in water

What is the angle between the incident ray and the normal called?

• Angle of reflection

• Angle of incidence

• Angle of refraction

• Angle of deviation

When light travels from a rarer to a denser medium, how does it bend?

• It does not bend

• Away from the normal

• Towards the normal

• Parallel to the normal

What is the term used to describe materials like air, glass, and water in the context of refraction?

• Optical materials

• Absorptive materials

• Reflective materials

• Opaque materials

What is the angle of refraction when light is incident normally on a surface?

• 180 degrees

• 90 degrees

• 0 degrees

• 45 degrees

What is the term for the line drawn perpendicular to the boundary between two media?

• Bisector

• Normal

• Tangent

• Parallel

What happens to the angle of refraction when light travels from a denser to a rarer medium?

• It becomes zero

• It becomes greater than the angle of incidence

• It becomes less than the angle of incidence

• It becomes equal to the angle of incidence